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Enerpac SURS21

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Enerpac SURS21 2.1 kN Swing Clamp

Enerpac SURS21; 2.1 kN (475 lbf) clamping force, 8 mm (0.32 in) clamping stroke, 345 bar (5,000 psi) max. pressure, single-acting upper flange swing clamp.

EnerpacMFR # SURS21SKU # YLSYBF9SNHY4P
Dimension N0.61 in
Mounting StyleUpper Flange
Country of OriginUnited States
Dimension D1.1 in
Dimension C1.05 in
Dimension P0.97 in
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About This Product

SURS21 is a compact upper flange, single-acting, right-turning hydraulic swing clamp from the Enerpac SU workholding series. It provides approximately 2.1 kN (475 lbf) of clamping force with a 0.32 in (about 8 mm) clamping stroke, a 0.65 in (about 16.5 mm) total stroke and a maximum operating pressure of 5,000 psi (about 345 bar). Oil connection is through an SAE #2 port. The standard clamp arm is CAS21 and the arm connection thread is .250-20 UNC. Maximum oil flow is 12 in³/min. It is used on small fixtures and in machining and assembly applications requiring low-force workpiece holding.

Features and Benefits

  • Flexible design allows manifold or threaded port connection
  • Low profile mounting lets the body sit below the mounting surface
  • Simple mounting preparation and easy installation with 3 or 4 bolts
  • Symmetrical rectangular flange design enables clamping at three sides of the cylinder
  • Standard clamp arm CAS21
  • 30, 45 and 60 degree swing angles available on request

Enerpac SURS21

  • Genuine, certified Enerpac product
  • Fast sourcing through a worldwide supply network
  • Product selection and compatibility support from our technical team
  • Equivalent and alternative product suggestions
  • Quotation and lead time tailored to your request

Specifications

Dimension N0.61 in
Mounting StyleUpper Flange
Country of OriginUnited States
Dimension D1.1 in
Dimension C1.05 in
Dimension P0.97 in
Dimension B2.32 in
Dimension Q.250-20 UNC in
ApplicationsClamp
Dimension Z60 degrees
Minimum Operating Pressure500 psi
Dimension H0.43 in
Product TypeSwing Clamp - Upper Flange
Dimension GSAE #2
Rotation DirectionRight
Dimension F0.39 in
Maximum Operating Pressure5,000 psi
Return TypeSingle-Acting
SeriesSU
Dimension D11.86 in
Maximum Oil Flow12 in³/min
Dimension V0.225 in
Stroke0.65 in
Dimension W2.09 in
Dimension K0.63 in
Model Type475 lbs, S/A, Right, 0.32 in. Clamp Stroke
Dimension X0.714 in
Dimension C11.69 in
Cylinder Effective Area (Clamp)0.12 in²
Dimension D21.77 in
Standard Clamp ArmCAS21
Dimension Y30 degrees
Dimension A4.41 in
Product LineWorkholding Tools
Weight1 lbs
Oil Capacity (Clamp)0.08 in³
Dimension S0.825 in
Clamping Stroke0.32 in
Dimension T1.22 in
Dimension Uø1.58 in
Clamping Force475 lbs

Documents & CAD

Series documents 1· shared by this product series

BrochureWorkholding Swing Clamps, EnglishPDF·1.8 MB

CAD Files 5

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Alternative Names & Search Terms

SURS21SURS-21SURS 21Enerpac SURS21Enerpac SURS-21SURS21 swing clampEnerpac SU seriesEnerpac SU series swing clampEnerpac upper flange swing clampsingle-acting swing clampright turning hydraulic swing clamp2.1 kN hydraulic swing clamp475 lbs swing clamp5000 psi hydraulic workholding clampcompact hydraulic swing clampEnerpac hydraulic workholding clampCAS21 arm swing clampSAE #2 port swing clampSURS21 upper flange

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